Address Filter On Tplink Deco M4 - Mac

Set , Time Limits , or Insights to pause the internet automatically. 3. Enable New Device Notifications

In the Deco app settings, turn on notifications for "New Device Alerts." You will receive a push notification the exact second a new MAC address joins your network, allowing you to blacklist it instantly.

: Go to the Security tab and tap on Wi-Fi Access Control .

Use this for maximum security, only allowing your own devices. Add Devices:

Here is where many users get confused. Unlike older standalone routers, the does not use the explicit "MAC Address Filter" label in its menu. Instead, TP-Link has rebranded this functionality under the “Blacklist” feature within the Deco app. mac address filter on tplink deco m4

Enter a recognizable and type in the MAC Address . Tap Save to apply the filter. How to Unblock a Device

While the app is recommended, some Deco M4 firmware versions allow access via a web interface for advanced security settings. : Open a web browser and enter 192.168.0.1 tplinkwifi.net . Use your admin credentials to log in. Access Control Enable Control : Toggle the Access Control

How to Configure a MAC Address Filter on your TP-Link Deco M4

. This feature allows you to manage network security by creating a (to block specific devices) or an Allow List (to permit only specific devices). www.tp-link.com How to Configure MAC Filtering on Deco M4 You can set up MAC filtering via the Deco Web Interface or the mobile app. Using the Web Interface Access Settings : Open a browser and enter 192.168.0.1 tplinkwifi.net . Log in using your admin password (default is often Navigate to Security : Click the icon in the top right, select from the left menu, and then click Access Control Enable Access Control : Toggle the switch to enable the feature. Choose Mode Blacklist Mode : Prohibits only the listed devices from connecting. Allow List (Whitelist) Mode Set , Time Limits , or Insights to

If you want to restrict internet access for specific family members without permanently blocking their hardware: Go to > Parental Controls . Create a profile (e.g., "Kids"). Assign specific devices to that profile.

However, it is crucial to understand what MAC address filtering on the Deco M4 is not : it is not a robust security solution. The fatal flaw lies in the nature of MAC addresses themselves. Despite being "hard-coded," they are transmitted in plain text over the air during the connection handshake. Using easily available tools, a moderately skilled attacker can "spoof" or clone a permitted MAC address onto their own device, bypassing the filter entirely. Furthermore, the Deco M4’s interface does not alert the user to such spoofing attempts. Consequently, relying solely on MAC filtering is akin to using a flimsy padlock on a fence—it stops the honest opportunist but not a determined intruder. Encryption (WPA2/WPA3) remains the true gatekeeper.

Enter your owner password (default is typically admin if not changed).

If you want to give temporary Wi-Fi access to visitors without compromising your main local network assets: Go to > Guest Network . Turn it on and set a separate password. : Go to the Security tab and tap on Wi-Fi Access Control

If you want only approved devices to connect, you must use . This requires a TP-Link cloud account.

Click the Advanced icon in the top right.

Using this on your TP-Link Deco M4 is an effective way to prevent unauthorized access, even if someone manages to guess or steal your Wi-Fi password.